Issue 16, 2020
From the journal:

Chemical Communications

A new silver cluster that emits bright-blue phosphorescence†

Jin-Sen Yang,a   Miao-Miao Zhang,a   Zhen Han,a   Hai-Yang Li,a   Lin-Ke Li,a   Xi-Yan Dong,*ab   Shuang-Quan Zang ORCID logo *a  and  Thomas C. W. Mak ORCID logo c  

* Corresponding authors

a Green Catalysis Center, and College of Chemistry, Zhengzhou University, China
E-mail: zangsqzg@zzu.edu.cn

b College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454000, China
E-mail: dongxiyan0720@hpu.edu.cn

c Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China

Abstract

A new hexanuclear silver(I) cluster (NC-Ag6) that emits bright-blue phosphoresce with a lifetime of 22.4 μs and a quantum yield (QY) of 22% under ambient conditions was synthesized. A film combining NC-Ag6 with yellow cerium(III)-doped yttrium aluminum garnet phosphors (YAG:Ce3+) displays “chameleon”-like emission (including white), which is related to excitation-dependent Förster resonance energy transfer (FRET) between dual phosphors. The mechanoresponsive luminescence colour of this silver cluster ranges from blue to green virtually without loss of QY.

Graphical abstract: A new silver cluster that emits bright-blue phosphorescence

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Article information

DOI
https://doi.org/10.1039/C9CC09439C
Article type
Communication
Submitted
05 Dec 2019
Accepted
14 Jan 2020
First published
15 Jan 2020

Chem. Commun., 2020,56, 2451-2454

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A new silver cluster that emits bright-blue phosphorescence

J. Yang, M. Zhang, Z. Han, H. Li, L. Li, X. Dong, S. Zang and T. C. W. Mak, Chem. Commun., 2020, 56, 2451 DOI: 10.1039/C9CC09439C

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